South Kelsey Street

When the building burned down, the blueprints for Doc's inventions were destroyed in the fire. When Doc demonstrated his Fance-O-Dance mechanical automatic dancing shoes for his son, Verne, in 1992, they burned out, and Doc couldn't fix them without the blueprints. So, Marty and Verne traveled back to September 27, 1944 to retrieve the blueprints from Doc's apartment.